Description
The MVD DVB-T/H modulator is a drop-in
module that includes the following
functions :
- Input data framer from
Microprocessor, DVB-SPI source
(MPEG-TS flow)
- DVB-T modulator
- Energy dispersal
- Reed Solomon encoder
- Convolutional interleaver
- FEC convolution encoder
- Inner interleaver
- QPSK/QAM symbol mapper
- Framer with pilots &
TPS inserter
- IFFT and guard interval
insertion
- Flexible Digital Up Converter
- Modulator for FI output
- Output for simple DAC (14 bits)
or complex DAC (2x16bits)
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Features
- ETSI, DVB-T/H (EN 300 744 V1.5.1)
compliant baseband transmitter
for Digital Terrestrial
Television
- Drop-in module for
Virtex-5™, Virtex-4™
and Spartan™-3 FPGAs
- Single clock (up to 140 MHz+ for
Spartan-3™, 160 MHz+ for
Virtex-4™ and 180 MHz+ for
Virtex-5™)
- Robust SPI input (discarding of
incorrect input packets)
- PCR re-stamping
- Single channel, supports
hierarchical transmission
- Configurable Convolutional Rate
- Configurable in-depth
interleaving for DVB-H
- Programmable QPSK, 16-QAM and
64-QAM Symbol Mapping
- Configurable support for 2k, 8k
and 4k (DVB-H) OFDM modes
- Programmable Guard Interval (1/4,
1/8, 1/16, 1/32)
- Supports variable channel width 5
to 8 MHz
- Intermediate frequency output for
single DAC (14 bits) or complex
DAC (2 x 16 bits)
- Full synthesizable RTL VHDL
design (not delivered) for easy
customization
- Design delivered as Netlist
- MER > 41dB
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DVB-T/H modulator
